.layout {
    margin: 0;
    overflow: hidden;
    padding: 0;
    position: relative;
    z-index: 0;
}

.layout-panel {
    overflow: hidden;
    position: absolute;
}

.layout-panel-east,
.layout-panel-west { z-index: 2; }

.layout-panel-north,
.layout-panel-south { z-index: 3; }

.layout-expand {
    cursor: pointer;
    font-size: 1px;
    padding: 0px;
    position: absolute;
    z-index: 1;
}

.layout-expand .panel-header,
.layout-expand .panel-body {
    background: transparent;
    filter: none;
    overflow: hidden;
}

.layout-expand .panel-header { border-bottom-width: 0px; }

.layout-split-proxy-h,
.layout-split-proxy-v {
    display: none;
    font-size: 1px;
    position: absolute;
    z-index: 5;
}

.layout-split-proxy-h {
    cursor: e-resize;
    width: 5px;
}

.layout-split-proxy-v {
    cursor: n-resize;
    height: 5px;
}

.layout-mask {
    background: #fafafa;
    filter: alpha(opacity=10);
    opacity: 0.10;
    position: absolute;
    z-index: 4;
}

.layout-button-up { background: url('images/layout_arrows.png') no-repeat -16px -16px; }

.layout-button-down { background: url('images/layout_arrows.png') no-repeat -16px 0; }

.layout-button-left { background: url('images/layout_arrows.png') no-repeat 0 0; }

.layout-button-right { background: url('images/layout_arrows.png') no-repeat 0 -16px; }

.layout-split-proxy-h,
.layout-split-proxy-v { background-color: #aac5e7; }

.layout-split-north { border-bottom: 5px solid #E6EEF8; }

.layout-split-south { border-top: 5px solid #E6EEF8; }

.layout-split-east { border-left: 5px solid #E6EEF8; }

.layout-split-west { border-right: 5px solid #E6EEF8; }

.layout-expand { background-color: #E0ECFF; }

.layout-expand-over { background-color: #E0ECFF; }